Notes:1: 572: Shelby Changed parties to R on 11/9/943: Special Election (Wilson resigned to become governor)4: Dem -> Changed to Rep in 19955: Special Election (Death of Quentin Burdick (D))6: ** Change in 1996 and 19987: Appointed in 1993 (Jan 21). Lost special election to K B Hutchison in June 1993 special election